CN102364807A - Electric energy recovery device for activation discharging of storage battery - Google Patents
Electric energy recovery device for activation discharging of storage battery Download PDFInfo
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- CN102364807A CN102364807A CN2011103579050A CN201110357905A CN102364807A CN 102364807 A CN102364807 A CN 102364807A CN 2011103579050 A CN2011103579050 A CN 2011103579050A CN 201110357905 A CN201110357905 A CN 201110357905A CN 102364807 A CN102364807 A CN 102364807A
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Abstract
The invention discloses an electric energy recovery device for the activation discharging of a storage battery. The device comprises an active inversion unit and a control unit. The active inversion unit comprises an input electromagnetic interference (EMI) circuit, a direct current-direct current converter, a direct current-alternating current converter and an output EMI circuit. The control unit comprises a master controller, a communication interface, a detection sampler and a protection device. The input EMI circuit is connected with a storage battery pack. The input EMI circuit, the direct current-direct current converter, the direct current-alternating current converter and the output EMI circuit are sequentially connected. The output EMI circuit is connected with an alternating current power grid. The communication interface, the detection sampler and the protection device are connected with the master controller. The detection sampler is connected with the alternating current power grid. The protection device is also connected with the direct current-direct current converter and the direct current-alternating current converter. The electric energy recovery device provided by the invention has the advantages of recovering electric energy released in an activation experiment, saving energy, reducing emission, improving production safety and the like.
Description
Technical field
The present invention relates to a kind of electric energy retracting device, especially a kind of electric energy retracting device that is used for reclaiming the storage battery activation discharge of electric energy at storage battery activation discharge process.
Background technology
The development of new forms of energy in recent years is very fast, especially solar energy relevant industries and electric motor car industry, and the fast development of solar energy industry and electric motor car has also driven the quick growth of storage battery industry.Storage battery must will repeatedly discharge and recharge storage battery in the activation experiment process through the activation experiment more than three times before dispatching from the factory.Traditional storage battery activation discharge process is that electric energy is consumed through resistance, electric furnace even load.There is following shortcoming in such discharge mode: (1) energy content of battery converts thermal dissipation in air, has caused the huge waste of the energy; (2) because great amount of heat consumption causes the environment temperature rise, radiating treatment is more loaded down with trivial details; Influence safety (disaster hidden-trouble and personal safety) and reduced the insulation of equipment; Quicken the aging of resistance, greatly reduced the reliability and the fail safe of device, shortened the useful life of surrounding devices; (3) control of the discharging current of battery is to have level to regulate; Make that the discharge precision is not high, and in discharge process, along with the variation of accumulator voltage and resistance value with variation of temperature; It is constant that discharging current can not keep, and the measurement result of storage battery is caused bigger deviation; (4) dissipative cell big, the Heavy Weight of volume often, thereby whole electric discharge device is heavy; (5) attendant's labour intensity is big, is not suitable for the complete unattended operation in power station.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of electric energy retracting device of storage battery activation discharge is provided, and so that the electric energy that discharges in the activation experiment is carried out recycling, realizes the purpose of energy-saving and emission-reduction.
The present invention is the technical solution problem, and a kind of electric energy retracting device of storage battery activation discharge is provided.
The electric energy retracting device of storage battery activation discharge, its design feature is to comprise active inversion unit and control unit; Said active inversion unit comprises input EMI circuit, DC-DC converter, direct-current-alternating-current converter and output EMI circuit; Said control unit comprises master controller, communication interface, detection sampler and protective device; Said input EMI circuit is connected with batteries, and input EMI circuit, DC-DC converter, direct-current-alternating-current converter are connected with output EMI circuit successively; Said output EMI circuit is connected with AC network; Communication interface, detection sampler all are connected with said master controller with protective device, and said detection sampler is connected with AC network, and said protective device also is connected with direct-current-alternating-current converter with DC-DC converter.
The design feature of the electric energy retracting device of storage battery activation discharge of the present invention also is:
Said DC-DC converter and direct-current-alternating-current converter all adopt full-bridge circuit.
Compared with present technology, beneficial effect of the present invention is embodied in:
During storage battery activation discharge, the electric energy of release through after input EMI circuit, DC-DC converter, direct-current-alternating-current converter and the output EMI processing of circuit, gets into AC network successively, realizes the recycling of electric energy.Control unit is used to control the intellectuality control of electric energy removal process.Electric energy retracting device of the present invention; Can the electric energy that discharge in the storage battery activation experiment process be fed back to after treatment the AC network of enterprises, realize the recycling of electric energy, in saves energy; The potential safety hazard of also having avoided conventional energy consumption type load heating problem to cause; Improved production security, and saved the extraneous expense of heat dissipation equipment, had and can the electric energy that discharge in the activation experiment be carried out advantages such as recycling, energy-saving and emission-reduction, raising production security.
Description of drawings
Fig. 1 is the structured flowchart of electric energy retracting device of the present invention.
Below pass through embodiment, and combine accompanying drawing that the present invention is described further.
Embodiment
Referring to Fig. 1, the electric energy retracting device of storage battery activation discharge comprises active inversion unit and control unit; Said active inversion unit comprises input EMI circuit, DC-to-dc (DC/DC) converter, DC-AC (DC/AC) converter and output EMI circuit; Said control unit comprises master controller, communication interface, detection sampler and protective device; Said input EMI circuit is connected with batteries, and input EMI circuit, DC-DC converter, direct-current-alternating-current converter are connected with output EMI circuit successively; Said output EMI circuit is connected with AC network; Communication interface, detection sampler all are connected with said master controller with protective device, and said detection sampler is connected with AC network, and said protective device also is connected with direct-current-alternating-current converter with DC-DC converter.
Said DC-DC converter and direct-current-alternating-current converter all adopt full-bridge circuit.
The active inversion unit is the power section of system, is made up of four circuit parts, is respectively input EMI circuit, DC/DC converter, DC/AC converter and output EMI circuit.The EMI circuit is mainly used in and prevents that DC side is to active inversion unit and the active inversion unit High-frequency Interference to DC side.The DC/DC converter, employing be full-bridge circuit, will import direct current and convert the high-frequency ac pulse into, rectification outputs to dc bus behind the high frequency transformer isolation boosting again, reaches the purpose of stable DC voltage through the pulsewidth of regulating full-bridge circuit.The DC/AC converter, employing also be full-bridge circuit, through PWM pulse modulation technology and LC filtering, be the sine wave AC voltage with synchronized with the DC bus-bar voltage inversion.Output EMI circuit is mainly used in and prevents the High-frequency Interference of AC network side to the active inversion unit.
Control unit is the control section of system, mainly is made up of master controller, protective device, detection sampler and communication interface etc.Master controller is whole inverter " brain ", is responsible for control, switching and the troubleshooting of whole device.That master controller adopts is the DSP TMS320F2406 of TI company; What it adopted is the static CMOS technology of high-performance; Make execution speed up to 40MIPS (carrying out 4,000 ten thousand instructions each second), make controller when having the intrinsic anti-interference and normalization advantage of integrated circuit, have and have extremely strong real-time control ability.Protective device is used to protect the batteries and this electric energy retracting device of discharge to be activated, and when line voltage was unusual, the electric energy retracting device is shutdown automatically, stops to discharge to electrical network; During the brownout of batt battery group, the electric energy retracting device also can shut down automatically, prevents that batteries from damaging because of deep discharge.In addition, system also has defencive functions such as excess temperature, overcurrent discharge.Detect sampler, be used to sample voltage, frequency, the phase place of electrical network, and give master controller, to guarantee the operation of the control whole system that master controller can be accurate and effective.Communication interface promptly with the communication interface of host computer, is used for relevant informations such as the running status of system, data acquisition are uploaded to the backstage, suitable unattended operation.
Electric energy retracting device of the present invention converts direct current energy to synchronized AC energy, and directly is fed back to corporate intranet, for the user provides the electric power support in process of production.The discharging current of batteries can onlinely be provided with, and the condition of discharge off can be set, and promptly farthest reaches aging effect, prevents over-discharge can again and causes damaging storage battery.
Through electric energy retracting device of the present invention storage battery is worn out, can reduce the electric cost of enterprise greatly, realize energy-saving and emission-reduction.According to measuring and calculating, this device power saving rate can reach 60%～75%, and power savings is fairly obvious, has solved the technical barrier that always perplexs storage battery waste of energy in aging discharge process, has realized the electric energy recycling.Utilize this electric energy recycling energy saver, in saves energy, the potential safety hazard of also having avoided conventional energy consumption type load heating problem to cause, and saved the extraneous expense of heat dissipation equipment.
Present technique is equally applicable to the senile experiment of all kinds of DC power supplys, practices thrift the station-service electric energy, reduces the product aging cost, has improved the competitiveness of product in market.
As shown in Figure 1, the direct current that discharges after the battery discharging is at first through input EMI circuit, and this partial circuit can prevent effectively that DC side is to active inversion unit and the active inversion unit High-frequency Interference to DC side.
According to the capacity and the discharge rate of battery pack, be set earlier the discharging current and the discharge time of storage battery in the monitoring of electric discharge device.When the voltage that detects sampler detection of grid voltage and storage battery during in normal range (NR); Manually boot the electric energy retracting device; System starts working, and master controller can be controlled the DC/DC converter and the DC/AC converter of active inversion unit according to specific requirement, is the dc inverter of storage battery and the alternating current of electrical network with the pure sinusoid of frequency homophase; And electric energy directly is fed back to corporate intranet, realize the recycling of electric energy; When detecting the electric voltage exception of sampler detection of grid voltage or storage battery; Master controller can start protective device, blocks the control signal to DC/DC converter and DC/AC converter, forces quitting work of system; Send the sound and light alarm prompting; And each sample information will quit work the time passes to the backstage automatically through communication interface, and whole process adopts intelligent control, suitable unattended operation.
Claims (2)
1. the electric energy retracting device of storage battery activation discharge is characterized in that, comprises active inversion unit and control unit; Said active inversion unit comprises input EMI circuit, DC-DC converter, direct-current-alternating-current converter and output EMI circuit; Said control unit comprises master controller, communication interface, detection sampler and protective device; Said input EMI circuit is connected with batteries, and input EMI circuit, DC-DC converter, direct-current-alternating-current converter are connected with output EMI circuit successively; Said output EMI circuit is connected with AC network; Communication interface, detection sampler all are connected with said master controller with protective device, and said detection sampler is connected with AC network, and said protective device also is connected with direct-current-alternating-current converter with DC-DC converter.
2. electric energy retracting device according to claim 1 is characterized in that said DC-DC converter and direct-current-alternating-current converter all adopt full-bridge circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103579050A CN102364807A (en) | 2011-11-11 | 2011-11-11 | Electric energy recovery device for activation discharging of storage battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103579050A CN102364807A (en) | 2011-11-11 | 2011-11-11 | Electric energy recovery device for activation discharging of storage battery |
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| CN102364807A true CN102364807A (en) | 2012-02-29 |
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| CN2011103579050A Pending CN102364807A (en) | 2011-11-11 | 2011-11-11 | Electric energy recovery device for activation discharging of storage battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111424A (en) * | 2013-04-16 | 2014-10-22 | 固纬电子实业股份有限公司 | Energy recovery battery test system |
| CN108964176A (en) * | 2014-12-09 | 2018-12-07 | 许继电气股份有限公司 | A kind of grid-connected electric discharge device of storage battery activation |
| CN108957327A (en) * | 2017-05-24 | 2018-12-07 | 江苏氢电新能源有限公司 | A kind of activation of fuel cell test macro of recyclable recycling electric power |
| CN109713781A (en) * | 2018-12-24 | 2019-05-03 | 深圳市科奥信电源技术有限公司 | High frequency emergency power |
| CN110867915A (en) * | 2019-10-29 | 2020-03-06 | 广东电网有限责任公司 | Battery activation control system and method |
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| GB2419968A (en) * | 2004-11-08 | 2006-05-10 | Enecsys Ltd | Regulating the voltage fed to a power converter |
| CN101697458A (en) * | 2009-10-26 | 2010-04-21 | 株洲南车时代电气股份有限公司 | Three-phase auxiliary inverter |
| CN201985548U (en) * | 2011-03-30 | 2011-09-21 | 华南理工大学 | Solar photovoltaic inverting generation system |
| CN202282618U (en) * | 2011-11-11 | 2012-06-20 | 合肥联信电源有限公司 | Storage battery activation discharge electric energy recovery device |
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2011
- 2011-11-11 CN CN2011103579050A patent/CN102364807A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2419968A (en) * | 2004-11-08 | 2006-05-10 | Enecsys Ltd | Regulating the voltage fed to a power converter |
| CN101697458A (en) * | 2009-10-26 | 2010-04-21 | 株洲南车时代电气股份有限公司 | Three-phase auxiliary inverter |
| CN201985548U (en) * | 2011-03-30 | 2011-09-21 | 华南理工大学 | Solar photovoltaic inverting generation system |
| CN202282618U (en) * | 2011-11-11 | 2012-06-20 | 合肥联信电源有限公司 | Storage battery activation discharge electric energy recovery device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111424A (en) * | 2013-04-16 | 2014-10-22 | 固纬电子实业股份有限公司 | Energy recovery battery test system |
| CN104111424B (en) * | 2013-04-16 | 2017-01-11 | 固纬电子实业股份有限公司 | Energy recovery battery test system |
| CN108964176A (en) * | 2014-12-09 | 2018-12-07 | 许继电气股份有限公司 | A kind of grid-connected electric discharge device of storage battery activation |
| CN108957327A (en) * | 2017-05-24 | 2018-12-07 | 江苏氢电新能源有限公司 | A kind of activation of fuel cell test macro of recyclable recycling electric power |
| CN109713781A (en) * | 2018-12-24 | 2019-05-03 | 深圳市科奥信电源技术有限公司 | High frequency emergency power |
| CN110867915A (en) * | 2019-10-29 | 2020-03-06 | 广东电网有限责任公司 | Battery activation control system and method |
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Application publication date: 20120229 |